Mustache trimmer



FIG. 1 is a perspective view of a mustache trimmer showing my new design.

FIG. 2 is an end elevational view thereof on an enlarged scale with the bottom broken away for convenience of illustration.

FIG. 3 is a top plan view thereof.

FIG. 4 is a side elevational view thereof with the center broken away for convenience of illustration. 

The ornamental design for a mustache trimmer, substantially as shown and described. 